Rendering

Component: (Network and Table)
Network
2322301 - Disclosure - Intangible Assets and Goodwill (Tables)
(http://www.alxn.com/role/IntangibleAssetsAndGoodwillTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000899866 (http://www.sec.gov/CIK)
Goodwill and Intangible Assets Disclosure [Abstract]Period [Axis]
2012-01-01 - 2012-12-31
Goodwill and Intangible Assets Disclosure [Abstract]
 
Schedule of Intangible Assets and Goodwill
Intangible assets and goodwill, net of accumulated amortization, are as follows:
 
 
 
 
December 31, 2012
 
December 31, 2011
 
Estimated
Life (months)
 
Cost
 
Accumulated
Amortization
 
Net
 
Cost
 
Accumulated
Amortization
 
Net
Licenses
28-96
 
$
23,688

 
$
(13,152
)
 
$
10,536

 
$
23,648

 
$
(9,639
)
 
$
14,009

Patents
90
 
10,517

 
(6,827
)
 
3,690

 
10,517

 
(5,090
)
 
5,427

Purchased technology
144
 
5,000

 
(798
)
 
4,202

 
5,000

 
(382
)
 
4,618

Acquired IPR&D
Indefinite
 
628,250

 
—

 
628,250

 
67,550

 
—

 
67,550

Total
 
 
$
667,455

 
$
(20,777
)
 
$
646,678

 
$
106,715

 
$
(15,111
)
 
$
91,604

Goodwill
Indefinite
 
$
256,546

 
$
(2,901
)
 
$
253,645

 
$
82,540

 
$
(2,901
)
 
$
79,639

  
Schedule of Estimated Amortization of Intangible Assets
Assuming no changes in the gross cost basis of intangible assets, the estimated amortization of intangible assets for the next five fiscal years is as follows:
 
Year
 
2013
$
6,852

2014
8,162

2015
459

2016
459

2017
438

  
Schedule of Goodwill
The following table summarizes the changes in the carrying amount of goodwill: 
Balance at December 31, 2010
$
19,954

Goodwill resulting from the Taligen acquisition
59,672

Goodwill resulting from the Orphatec acquisition
13

Balance at December 31, 2011
79,639

Goodwill resulting from the Enobia acquisition
174,006

Balance at December 31, 2012
$
253,645